<template>
   <div class="login">
   <!-- 在element-ui官网找到form组件 -->
   <!-- model属性用于保存表单中的数据，最后提交 -->
   <el-form :model="loginForm" :rules="loginRules" class="container" ref="loginRef">
     <el-form-item>
       <div class="avatar">
         <img src="../assets/avatar.jpg" alt="头像">
       </div>
     </el-form-item>
     <el-form-item prop="username">
       <!-- 产看input组件如何添加图标，prefix-icon属性添加前缀 -->
       <el-input v-model="loginForm.username" prefix-icon="myicon myicon-user"></el-input>
     </el-form-item>
     <el-form-item prop="password">
       <el-input type="password" v-model="loginForm.password" prefix-icon="myicon myicon-key" @keyup.enter.native="handleLogin"></el-input>
     </el-form-item>
     <el-form-item>
       <el-button type="primary" class="login-btn" @click="handleLogin">登录</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script>
// 引入登录函数
import { login } from '@/api'

export default {
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    handleLogin () {
      // console.log(this.$refs)
      this.$refs.loginRef.validate(isOk => {
        if (isOk) {
          // console.log('调用接口去登录')
          // 如果校验通过就发送登录请求
          login({ username: this.loginForm.username, password: this.loginForm.password })
            .then(res => {
              if (res.data.meta.status === 200) {
                localStorage.setItem('token', res.data.data.token)
                localStorage.setItem('username', res.data.data.username)
                // console.log(username)
                // 登录成功 跳转到首页
                console.log(this.$router)
                this.$router.push({ name: 'home' })
              } else {
                this.$message.error(res.data.meta.msg)
              }
            })
            .catch(err => {
              console.log(err)
            })
        } else {
          alert('请正确输入信息后再登录')
          return false
        }
      })
    }
  }
}

</script>
<style>
.login {
  position: fixed;
  width: 100%;
  height: 100%;
  background-color: #2f4050;
}
.container {
    position: absolute;
    left: 0;
    right: 0;
    width: 400px;
    padding: 0px 40px 15px 40px;
    margin: 200px auto;
    background: white;
}
    .avatar {
      position: relative;
      left: 50%;
      width: 120px;
      height: 120px;
      margin-left: -60px;
      margin-top: -60px;
      box-sizing: border-box;
      border-radius: 50%;
      border: 10px solid #fff;
      box-shadow: 0 1px 5px #ccc;
      overflow: hidden;
    }
.login-btn {
      width: 100%;
    }
</style>
